Wrench head



FIG. 1 is a perspective view of a wrench head showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an alternate perspective view thereof showing my new design in an exemplary environment; and,

FIG. 10 is another alternate perspective view thereof showing my new design in an exemplary environment.

The broken line showing of the environment in FIGS. 9 and 10 is included for the purpose of illustrating and forms no part of the claimed design. 

CLAIM The ornamental design for a wrench head, as shown and described. 